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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
//! [0]
class Window : public QWidget
{
public:
Window(QWidget *parent = 0)
: QWidget(parent)
{
QPushButton *button = new QPushButton(this);
button->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
QVBoxLayout *layout = new QVBoxLayout;
layout->addWidget(button);
layout->setContentsMargins(80, 80, 80, 80);
setLayout(layout);
//! [0]
//! [1]
QStateMachine *machine = new QStateMachine(this);
QState *s1 = new QState();
s1->assignProperty(button, "text", "Outside");
QState *s2 = new QState();
s2->assignProperty(button, "text", "Inside");
//! [1]
//! [2]
QEventTransition *enterTransition = new QEventTransition(button, QEvent::Enter);
enterTransition->setTargetState(s2);
s1->addTransition(enterTransition);
//! [2]
//! [3]
QEventTransition *leaveTransition = new QEventTransition(button, QEvent::Leave);
leaveTransition->setTargetState(s1);
s2->addTransition(leaveTransition);
//! [3]
//! [4]
QState *s3 = new QState();
s3->assignProperty(button, "text", "Pressing...");
QEventTransition *pressTransition = new QEventTransition(button, QEvent::MouseButtonPress);
pressTransition->setTargetState(s3);
s2->addTransition(pressTransition);
QEventTransition *releaseTransition = new QEventTransition(button, QEvent::MouseButtonRelease);
releaseTransition->setTargetState(s2);
s3->addTransition(releaseTransition);
//! [4]
//! [5]
machine->addState(s1);
machine->addState(s2);
machine->addState(s3);
machine->setInitialState(s1);
machine->start();
}
};
//! [5]
//! [6]
int main(int argc, char **argv)
{
QApplication app(argc, argv);
Window window;
window.resize(300, 300);
#if defined(Q_OS_SYMBIAN)
window.showMaximized();
#else
window.show();
#endif
return app.exec();
}
//! [6]
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